<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        ul{
            width: 550px;
            margin:0 auto;
            border:1px solid pink;
            display: flex;
            flex-wrap: wrap;
        }
        li{
            list-style: none;
            width: 100px;
            height: 100px;
            margin:0 10px 10px 0;
            border:2px solid pink;

        }
        li img{
            border: 2px solid pink;
            border-radius: 20px 0 20px 0;
        }
    </style>


</head>
<body>
    <script>
        let num=+prompt()
        document.write('<ul>')
        for(let i=1;i<=num;i++){
            document.write(`
            <li><img src="" alt=""></li>
            `)
        }
         document.write('</u>')

    </script>
</body>
</html>